Hand-held port tester for data-processing systems



FIG. 1 is a bottom, front, and left side perspective view of a hand-held port tester for data-processing systems showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a bottom plan view;

FIG. 4 is a top plan view; and

FIG. 5 is a right side elevational view thereof.

The cable has been omitted from FIGS. 4 and 5 for ease of illustration. 

The ornamental design for a hand-held port tester for data-processing systems, as shown and described. 